A 34 Watt Long Single Turn (1 Loop) Energy Saving PL-L compact fluorescent lamp with 4 pin base(2G11). This energy efficient PL-L lamp has an average life of 10,000 hours and has a B class energy efficiency rating. We stock branded cheap long single turn CFLs - PLL, Biax L, Lynx L, Dulux L. *This PL-L lamp is available in colours: Extra Warm White = 827 Warm White = 830 Standard White = 835 Cool White = 840 Daylight = 860/865 Length:538mm Diametre:44mm What is this lamp commonly known as? GE - 34w Biax L Osram - 34w Dulux L Sylvania - 34w Lynx L Philips - 34w Master PL-L Other: Long Single Turn, TC-L Please note - These lamps should be replaced like for like. If you have a 34w lamp in your fitting, it must be replaced with a 34w lamp. You cannot reduce or increase the wattage.